Home / 11,721,920.80-17,570,050.80-4,144,986.40

Finding the Fourth Proportional to 11,721,920.80, 17,570,050.80 and 4,144,986.40

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Solution

The fourth proportional to 11,721,920.80, 17,570,050.80 and 4,144,986.40 is: 6,212,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721,920.80 : 17,570,050.80 = 4,144,986.40 : x
  2. Step 2: Convert to fraction form
    11,721,920.80/17,570,050.80 = 4,144,986.40/x
  3. Step 3: Cross multiply
    11,721,920.80x = 17,570,050.80 × 4,144,986.40
  4. Step 4: Simplify right side
    11,721,920.80x = 72,827,621,613,309.12
  5. Step 5: Solve for x
    x = 72,827,621,613,309.12/11,721,920.80
  6. Step 6: Final answer
    x = 6,212,942.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.